Home / 9,102,128.80-13,644,007.80-4,546,170.40

Finding the Fourth Proportional to 9,102,128.80, 13,644,007.80 and 4,546,170.40

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Solution

The fourth proportional to 9,102,128.80, 13,644,007.80 and 4,546,170.40 is: 6,814,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,128.80 : 13,644,007.80 = 4,546,170.40 : x
  2. Step 2: Convert to fraction form
    9,102,128.80/13,644,007.80 = 4,546,170.40/x
  3. Step 3: Cross multiply
    9,102,128.80x = 13,644,007.80 × 4,546,170.40
  4. Step 4: Simplify right side
    9,102,128.80x = 62,027,984,397,729.12
  5. Step 5: Solve for x
    x = 62,027,984,397,729.12/9,102,128.80
  6. Step 6: Final answer
    x = 6,814,667.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.